510(k) Report

510(k) · Cleared

Cleared

HemosIL Silica Clotting Time

K160445510(k) SpecialCleared Mar 16, 201628-day reviewClass II21 CFR 864.7925

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Instrumentation Laboratory CO · GFO Activated Partial Thromboplastin

Cleared on Mar 16, 2016 as substantially equivalent to K050221 (Instrumentation Laboratory CO, 2005) after a 28-day review. Its family tree reaches back 3 generations to 1993. 1 later device descends from it.

Decided
Mar 16, 2016
Review
28 days
Class
Class II
Product code
GFO
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K922156 (1993). 4 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 3 generations backK922156 Lucor Confirmatory ReagentGradipore, Ltd. · 1993
  2. 2 generations backK990302 IL Test Lac Screen (Claims Added to Acl Futura), IL Test Lac Confirm…Instrumentation Laboratory CO · 1999
  3. 1 generation backK050221 Hemosil Silica Clotting TimeInstrumentation Laboratory CO · 2005
  4. This deviceK160445 HemosIL Silica Clotting TimeInstrumentation Laboratory CO · 2016
  5. Descendant · cites it directly · 0 of its ownK253957 HemosIL Silica Clotting TimeInstrumentation Laboratory (IL) Co. · 2026

Most influential descendants

Showing 1 of 1 · See all
  • K253957HemosIL Silica Clotting TimeInstrumentation Laboratory (IL) Co. · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K922156Lucor Confirmatory ReagentGradipore, Ltd.1993—
−2K990302IL Test Lac Screen (Claims Added to Acl Futura), IL Test Lac Confirm (Claims…Instrumentation Laboratory CO1999—
−1K050221Hemosil Silica Clotting TimeInstrumentation Laboratory CO2005—
0 (this device)K160445HemosIL Silica Clotting TimeInstrumentation Laboratory CO2016—
+1K253957HemosIL Silica Clotting TimeInstrumentation Laboratory (IL) Co.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K160445, 1993–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in GFO? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new GFO device

  1. #1 K253957 HemosIL Silica Clotting Timescore 11.6 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K050221Hemosil Silica Clotting Time
Summary page 4
…Hematology (81) Product Code: GFO Predicate Device HemosIL Silica Clotting Time 510(k) No.: K050221 Device Indications for Use / HemosIL Silica Clotting Time is intended for the detection of Lupus Intended Use…
Instrumentation Laboratory CO2005—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K253957HemosIL Silica Clotting TimeInstrumentation Laboratory (IL) Co.20260

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 23 years and passes through 2 companies; a new generation was cleared every 6.0 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K253957 (Instrumentation Laboratory (IL) Co., 2026) has gone furthest, with 0 descendants of its own.

How does its category compare?

All GFO devices

GFO Activated Partial Thromboplastin: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · GFO

1in 2020

2016: 12020: 12026 (partial year): 1
2007high 1 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GFO

Too few GFO 510(k)s in any year since 2007 to give a median.

Recalls per year · GFO

1in 2025

2013: 12018: 22025: 1
2007high 2 (2018) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · GFO

14in 2025

2011: 72013: 32014: 22015: 22016: 32017: 192018: 42019: 12021: 112023: 32024: 22025: 14
2007high 19 (2017) · low 0 (2007)2025

MAUDE reports naming product code GFO, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—07
20120—00
20130—13
20140—02
20150—02
20161—03
20170—019
20180—24
20190—01
20201—00
20210—011
20220—00
20230—03
20240—02
20250—114
20261—0—

What is it indicated for?

HemosiL Silica Clotting Time is intended for the detection of Lupus Anticoagulants in human citrated plasma on the IL Coagulation Systems by the use of screening (SCT Screen) and confirmatory (SCT Confirm) reagents sensitized to phospholipid dependent antibodies.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K160445: HemosIL Silica Clotting Time.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K160445

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026